First of all, we need to be clear that plexiform nodule is only a diagnostic imaging name, that is, a point that looks like plexiform glass on the film. Whether a plexiform nodule is an inflammation or a tumor needs to be combined with other manifestations, such as whether there are pleural indentations and whether the lung field is clear. There is no way to determine the nature of a pemphigus nodule alone. If you don't have any discomfort, you can follow up with a chest CT in the respiratory medicine department regularly to see if the nodule has changed.